1978 390 CR Husqvarna Husky Parts Catalogue

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The 390 CR, produced in 1978, is a distinguished competition motorcycle renowned for its robust off-road performance and durability. As a key player in the late 1970s motocross and enduro...

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类型: Motorcycle

斯库: 131965

标签: 1978 390 390 CR Chainsaws Home and Garden Husky Husqvarna Motorcycle Power Equipment

产品多属性

Description

The 390 CR, produced in 1978, is a distinguished competition motorcycle renowned for its robust off-road performance and durability. As a key player in the late 1970s motocross and enduro scene, it competed against notable models from Yamaha, Suzuki, Kawasaki, and KTM. Its Swedish heritage, marked by early innovations in off-road racing, contributes to its collectible status among vintage enthusiasts. This model, powered by an air-cooled, two-stroke, single-cylinder engine of approximately 390cc, was engineered for demanding terrain and racing conditions, embodying the commitment to competitive excellence. This comprehensive parts catalogue is designed to assist owners and mechanics in the identification and sourcing of spare parts for the 1978 390 CR. It provides detailed diagrams and part numbers for all major systems, including the engine, chassis, wheels, brakes, controls, fuel system, electrical system, and bodywork. The manual's primary purpose is to facilitate accurate part identification, aiding in the disassembly, reassembly, and overall maintenance of the motorcycle. Its high-resolution, searchable format ensures clarity and ease of use for anyone involved in preserving or restoring this classic competition machine.

🏷️ Basic Information

Identification

Make:

Husqvarna

Model:

390 CR

Year:

Codes

Product Identifier:

1978-390-CR-Husky-Parts-Catalogue

👋 Introduction

Market Position

Motorcycle Segment:

Competition Motorcycle (Motocross/Enduro).

Competitive Analysis

Competitors Era:

Yamaha YZ series, Suzuki RM series, Kawasaki KX series, KTM models of the late 1970s.

Key Features

Vehicle Focus:

Robust off-road performance, durability.

Manual Benefit:

Essential for owners and mechanics to accurately identify and source rare vintage parts.

📋 Manual Details

Coverage Areas

Model Years Covered:

Primarily 1978, potentially adjacent years with common components.

Regions Covered:

Global (component numbering is typically universal).

Page Count

Estimated Page Count:

Variable depending on specific catalogue edition, typically 50-200 pages.

Manual Type

Type:

Parts Catalogue

Primary Purpose:

Identification of spare parts for repair and maintenance.

Language

Language:

English (common for technical manuals of this era).

Format

Format:

PDF (Digital Download)

📖 Manual Coverage

Systems Covered

Engine:

Engine assembly, carburetion, ignition, cooling, exhaust components.

Chassis:

Frame, suspension (front forks, rear shock absorber/linkage), steering components.

Wheels And Brakes:

Wheels, hubs, spokes, brake drums/discs, brake linkages/cables.

Controls:

Handlebars, levers, cables (throttle, clutch, brake), footpegs, gear shift mechanism.

Fuel System:

Fuel tank, petcock, fuel lines, carburetor components.

Electrical System:

Wiring harness, lighting components (headlight, taillight, number plate light), ignition coil, kill switch.

Bodywork:

Fenders, fuel tank shrouds, seat, side panels.

Procedures Included

Identification:

Detailed diagrams and part numbers for all components.

Ordering:

Facilitates accurate ordering of replacement parts.

Assembly Disassembly:

Illustrates component relationships aiding in disassembly and reassembly.

Technical Depth

Depth:

Component-level identification and breakdown.

Detail Level:

High detail on individual part numbers and their location within an assembly.

Diagnostic Support:

Indirectly supports diagnostics by identifying correct components for replacement.

📊 Manual Specifications

File Format

File Type:

Searchability:

Typically searchable PDF for part numbers and descriptions.

Print Quality

Print Quality Recommendation:

High resolution for clear diagrams and legibility of part numbers.

Binding Type

Binding Type:

Not Applicable (Digital Download).

Paper Type

Paper Type:

Not Applicable (Digital Download).

⚙️ Engine Specifications

Primary Engine

Engine Type:

Two-stroke, single-cylinder.

Displacement:

Approximately 390cc (based on model name).

Bore X Stroke:

Technical data would be in the manual.

Cooling System:

Air-cooled.

Performance

Horsepower Estimate:

Typically in the 30-40 HP range for this era and displacement.

Torque Estimate:

Torque figures would be specific to the model and tuning.

Fuel System

Carburetor Type:

Likely a single large-bore carburetor (e.g., Mikuni, Bing).

Fuel Mixture:

Pre-mix gasoline and 2-stroke oil.

🔧 Transmission

Standard

Transmission Type:

Constant-mesh, sequential manual.

Number Of Gears:

Typically 5 or 6 speed.

Features

Clutch Type:

Wet multi-plate clutch.

Gearbox Oil:

Specific gearbox oil type and capacity would be detailed in a service manual, but parts catalogue focuses on components.

📐 Dimensions

Exterior

Wheelbase:

Technical data would be in the manual.

Seat Height:

Technical data would be in the manual.

Weights

Dry Weight:

Technical data would be in the manual, typically around 100-115 kg.

🛡️ Safety Features

Ratings

Safety Standards:

N/A (Motorcycle competition vehicles are not typically crash-tested or rated by consumer safety organizations).

Active Features

Braking System:

Drum brakes front and rear, or early disc brake front. Manual will show components for either.

Passive Features

Frame Construction:

Steel tube frame (standard for the era).

💡 Technology Features

Infotainment

Infotainment System:

N/A (Pure competition motorcycle).

Driver Assistance

Assistance Features:

N/A (Pure competition motorcycle).

Connectivity

Connectivity Features:

N/A (Pure competition motorcycle).

🔧 Maintenance

Service Intervals

Spark Plug Replacement:

Specific interval would be in a service manual, typically every 10-20 hours of hard use or annually.

Air Filter Cleaning:

Frequent cleaning is essential for off-road use, especially after dusty rides.

Chain Lubrication Adjustment:

Regular checks and lubrication are critical for drivetrain longevity.

Fluid Specifications

2T Oil Ratio:

Manual would specify recommended fuel-to-oil ratio (e.g., 20:1, 32:1, 40:1 depending on oil quality).

Fork Oil Type:

Specific weight and type (e.g., Bel-Ray, Motul) would be in a service manual.

Known Issues

Ignition Systems:

Points ignition systems of this era can require regular adjustment; electronic ignition conversions were common upgrades.

Carburetor Tuning:

Carburetors require meticulous tuning for optimal performance and reliability.

Clutch Wear:

Clutch plates can wear due to hard use, requiring replacement.

Suspension Seals:

Fork and shock seals are prone to leaks with age and use, requiring replacement.

📚 Vehicle History

Brand Heritage

Brand Origin:

Husqvarna is a historic Swedish manufacturer, known for its early innovations in motocross and enduro motorcycles.

Model Evolution

Model Lineage:

The CR (Competition) line represents Husqvarna's dedication to off-road racing. The 390 indicates its displacement.

Production

Manufacturing Era:

Late 1970s, a period of significant development in motocross technology.

Collectible Status:

Highly collectible for vintage motocross enthusiasts.

🏆 Awards & Recognition

Recognitions

Racing Success:

Husqvarna motorcycles of this era achieved significant success in international motocross and enduro events, contributing to their reputation.

Ratings

Industry Reputation:

Renowned for robust construction and competitive performance in its class during the late 1970s.